A. 100 J B. 150 J C. 210 J D. 419 J 7. Determine whether each statement is true (T) or false (F). Place your answer in t

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A 100 J B 150 J C 210 J D 419 J 7 Determine Whether Each Statement Is True T Or False F Place Your Answer In T 1 (32.32 KiB) Viewed 213 times

A 100 J B 150 J C 210 J D 419 J 7 Determine Whether Each Statement Is True T Or False F Place Your Answer In T 2 (34.03 KiB) Viewed 213 times

A. 100 J B. 150 J C. 210 J D. 419 J 7. Determine whether each statement is true (T) or false (F). Place your answer in the blank space given. T a. Combustion is an example of an exothermic reaction. b. Heat is the transfer of kinetic energy from molecules at a lower temperature to those at a higher temperature. c. Temperature is a measure of the average potential energy of the atoms or molecules of a substance. d. For millennia, Inuit people have burned seal and whale blubber as a source of heat and light. e. In Alberta, the electricity used to charge cellphone batteries comes mostly from the combustion of fossil fuels. f. There are modern calorimeters in which the energy released by the combustion reaction is completely transferred to the water with no loss to the surroundings.
24. Which of the following sources of energy includes a heat pump (as in air conditioners and refrigerators) to extract thermal energy? A. a passive solar energy system B. a geothermal power plant C. an earth energy system D. a nuclear power plant 25. In which one of the following energy sources is the production of electricity due to the ejection of electrons by photons striking a light-sensitive material? A. passive solar energy photovoltaic cells nuclear fission D. earth energy 26. Which of the following energy sources obtains its energy from gravitational potential energy? A. a coal-burning power plant B. a hydroelectric power plant C. a geothermal power plant D. a wind generator 27. The sequence of energy transformations in converting tidal energy to electrical energy is most like the sequence in A. hydroelectric power stations coal-burning power stations geothermal power stations nuclear power stations B. C. D. ABCD B. C.